Robinson, J.L., J.A. Fordyce, C.R. Parker. In press. Conservation of aquatic insect species across a protected area network: null model reveals shortfalls of biogeographical knowledge. Journal of Insect Conservation.

Van Nuland, M.E., R.C. Wooliver, A.A. Pfennigwerth, Q.D. Read, I.M. Ware, L. Mueller, J.A. Fordyce, J.A. Schweitzer, and J.K. Bailey. 2016. Plant-soil feedbacks: connecting ecosystem ecology and evolution. Functional Ecology 30:1032-1042. (PDF)

Welch, J.N., J.A. Fordyce, and D.S. Simberloff. 2016. Indirect impacts of invaders: a case study of the Pacific sheath-tailed bat (Emballanura semicaudata rotensis). Biological Conservation 201:146-151. (PDF)

Espeset, A.E., J.G. Harrison, A.M. Shapiro, C.C. Nice, J.H. Thorne, D.P. Waetjen, J.A. Fordyce, and M.L. Forister. 2016. Understanding a migratory species in a changing world: climatic effects and demographic declines in the western monarch revealed by four decades of intensive monitoring. Oecologia 181:819-830. (PDF)

Hamm, C.A. and J.A. Fordyce. 2016. Greater host breadth still not associated with increased diversification rate in the Nymphalidae - a response to Janz et al. Evolution 70:1156-1160. (PDF)

Hamm, C.A. and J.A. Fordyce. 2016. Selaginella and the satyr: Euptychia westwoodi oviposition preference and larval performance. Journal of Insect Science 16(1):39. (PDF)

Fordyce, J.A., C.C. Nice, C.A. Hamm, and M.L Forister. 2016. Quantifying diet breadth through ordination of host association. Ecology 97:842-849. (PDF)

Fordyce, J.A. and P.J. Devries. 2016. A tale of two communities: Neotropical canopy butterfly assemblages show higher turnover compared to understory. Oecologia 181:235-243. (PDF)

Harrison, J.G., Z. Gompert, J.A. Fordyce, C.A. Buerkle, R. Grinstead, J.P. Jahner, S. Mikel, C.C. Nice, A. Santamaria, and M.L. Forister. 2016. The many dimensions of diet breadth: chemical, genetic, behavioral, and physiological perspectives on the interaction between a native herbivore and an exotic host. Plos One 11(2):e0147971. (PDF)


Jahner, J.P., M.L. Forister, C.C. Nice, J.A. Fordyce, J.S. Wilson, D.D. Murphy, Z.H. Marion, and A.M. Shapiro. 2015. Elevational differentiation in a widespread Nearctic skipper, Polites sabuleti. Journal of Biogeography 42:1787-1799. (PDF)

Gompert, Z., J.P. Jahner, C.F. Scholl, J.S. Wilson, L.K. Lucas, V. Soria-Carrasco, J.A. Fordyce, C.C. Nice, C.A. Buerkle, and M.L. Forister. 2015. The evolution of novel host use is unlikely constrained by tradeoffs or a lack of genetic variation. Molecular Ecology 24:2777-2793. (PDF)

Marion, Z.H., J.A. Fordyce, and B.M. Fitzpatrick. 2015. Extending the concept of diversity partitioning to characterize phenotypic complexity. American Naturalist 186:348-347. (PDF)

Hamm, C.A. and J.A. Fordyce. 2015. Host plant utilization in the brush-footed butterflies: patterns of diversification and diet breadth. Evolution 69:589-601. (PDF)


Fordyce, J.A., B.M. Fitzpatrick, and P. Shah. 2014. iteRates: an R package for implementing a parametric rate comparison on phylogenetic trees. Evolutionary Bioinformatics 10:127-130. (PDF)

Gompert, Z., L.K. Lucas, C.A. Buerkle, M.L. Forister, J.A. Fordyce, & C.C. Nice. 2014. Admixture and the organization of genetic diversity in a butterfly species complex revealed through common and rare genetic variants. Molecular Ecology 23:4555-4573. (PDF)

Nice, C.C., M.L. Forister, Z. Gompert, J.A. Fordyce, & A.M. Shapiro. 2014. A hierarchical perspective on the diversity of butterfly species' responses to weather across 38 years in the high Sierra Nevada Mountains. Ecology 95:2155-2168. (PDF)

Jeude, S.E. & J.A. Fordyce. 2014 . The effects of qualitative and quantitative variation of aristolochic acids on preference and performance of a generalist herbivore. Entomologia Experimentalis et Applicata 150:232-239. (PDF)

Hamm, C.A., C.A. Handley, A. Pike, M.L. Forister, J.A. Fordyce, & C.C. Nice. 2014. Wolbachia infection and Lepidoptera of conservation concern. Journal of Insect Science 14:6. (PDF)


Hollingsworth, P.R., A.M. Simons, J.A. Fordyce, & C.D. Hulsey. 2013. Explosive diversification following benthic to pelagic shift in freshwater fishes. BMC Evolutionary Biology 13:272. (PDF)

Dimarco, R.D. & J.A. Fordyce. 2013. Larger clutches of chemically defended butterflies reduce egg mortality: evidence from Battus philenor. Ecological Entomology 38:535-538. (PDF)

Wilson, J.S., M. Sneck, D.D. Murphy, C.C. Nice, J.A. Fordyce, & M.L. Forister. 2013. Complex evolutionary history of the pallid dotted-blue butterfly (Lycaenidae: Euphilotes pallescens) in the Great Basin of western North America. Journal of Biogeography 40:2059-2070. (PDF)

Barun, A., M.L. Niemiller, B.M. Fitzpatrick, J.A. Fordyce, & D. Simberloff. 2013. Can genetic data confirm or refute historical records: the island invasion of the small Indian mongoose (Herpestes auropunctatus). Biological Invasions 15:2243-2251. (PDF)

Forister, M.L., C.F. Scholl, J.P. Jahner, J.S. Wilson, J.A. Fordyce, Z. Gompert, D. Narala, C.A. Buerkle, & C.C. Nice. 2013. Specificity, rank preference and the colonization of a non-native host plant by the Melissa blue butterfly. Oecologia 172:177-188. (PDF)

Gompert, Z., L.K. Lucas, C.C. Nice, J.A. Fordyce, C.A. Buerkle, & M.L. Forister. 2013. Geographically multifarious phenotypic divergence during speciation. Ecology and Evolution 3:595-613. (PDF)

Nice, C.C., Z. Gompert, J.A. Fordyce, M.L. Forister, & L.K. Lucas. 2013. Hybrid speciation and independent evolution in lineages of alpine butterflies. Evolution 67:1055-1068. (PDF)

Shah, P., B.M. Fitzpatrick, & J.A. Fordyce. 2013. A parametric method for assessing rate variation in phylogenetic trees. Evolution 67:368-377. (PDF)


Dimarco, R., C.C. Nice, & J.A. Fordyce. 2012. Family matters: effect of host plant variation in chemical and mechanical defenses on a sequestering specialist herbivore. Oecologia 170:687-693. (PDF)

Gompert, Z., L.K. Lucas, C.C. Nice, J.A. Fordyce, M.L. Forister, & C.A. Buerkle. 2012. Genomic regions with a history of divergent selection affect fitness of hybrids between two butterfly species. Evolution 66:2167-2181. (PDF)

Scholl, C. F., C. C. Nice, J. A. Fordyce, Z. Gompert & M. L. Forister. 2012. Larval performance in the context of ecological diversification and speciation in Lycaeides butterflies. International Journal of Ecology. 2012:Article ID 242154. (PDF)

DeVries, P.D., L. Alexander, I.A. Chacon, & J.A. Fordyce. 2012. Similarity and difference among rainforest fruit-feeding butterfly communities in Central and South America. Journal of Animal Ecology 81:472-482. (PDF)

Fitzpatrick, B.M., J.A. Fordyce, M. Neimiller, & R.G. Reynolds. 2012. What c an DNA tell us about biological invasions? Biological Invasions. 14:245-253. (PDF)

Lessard, J.P., M.K. Borregaard, J.A. Fordyce, C.Rahbek, M.D. Weiser, R.R. Dunn, & N.J. Sanders. 2012. Strong influence of regional species pools on continent-wide structuring of local communities. Proceedings of the Royal Society of London, Series B. 279:266-274. (PDF)


Forister, M.L., J.A. Fordyce, A.C. McCall, & A.M. Shapiro. 2011. A complete record from colonization to extinction reveals density dependence and the importance of winter conditions for a population of the silvery blue, Glaucopsyche lygdamus. Journal of Insect Sciece. 11:130. available online: (PDF)

Brown, V., A. Brooke, J.A. Fordyce, & G.F. McCracken. 2011. Genetic analysis of populations of the threatened bat Pteropus mariannus. Conservation Genetics. 12:933-941. (PDF)

Forister, M.L., Z. Gompert, J.A. Fordyce, & C.C. Nice. 2011. After 60 years, an answer to the question: what is the Karner blue butterfly. Biology Letters. 7:399-402. (PDF)(Suppl.)

Forister, M.L., Z. Gompert, C.C. Nice, G.W. Forister, & J.A. Fordyce. 2011. Mutualistic interactions facilitate the evolution of diet breadth. Proceedings of the Royal Society of London, Series B. 278:1539-1547. (PDF) (Suppl.)

Fordyce, J.A., Z. Gompert, M.L. Forister, and C.C. Nice. 2011. A hierarchical Bayesian approach to ecological count data: a flexible tool for ecologists. Plos ONE 6(11): e26785. (PDF)


Fordyce, J.A. 2010. Host shifts and evolutionary radiations of butterflies. Proceedings of the Royal Society of London, Series B. 277:3735-3743. (PDF)

Hulsey, C.D., P.R. Hollingsworth, & J.A. Fordyce. 2010. Temporal diversification of Central American cichlids. BMC Evolutionary Biology. 10:279. (PDF)

McCall, A.C. & J.A. Fordyce. 2010. Can optimal defence theory be used to predict the distribution of plant chemical defences? Journal of Ecology. 98:985-992. (PDF)

Fordyce, J.A. 2010. Interpreting the gamma statistic in phylogenetic diversification rate studies: a rate decrease does not necessarily indicate an early burst. PLoSONE. 5(7):e11781. (PDF)

Gompert, Z., L.K. Lucas, J.A. Fordyce, M.L. Forister, & C.C. Nice. 2010. Secondary contact between Lycaeides idas and L. melissa in the Rocky Mountains: extensive introgression and a patchy hybrid zone. Molecular Ecology. 19:3171-3192. (PDF)

Gompert, Z., M.L. Forister, J.A. Fordyce, C.C. Nice, R.J. Williamson, & C.A. Buerkle. 2010. Bayesian analysis of molecular variance in pyrosequences quantifies population genetic structure across the genome of Lycaeides butterflies. Molecular Ecology 19:2455-2473. (PDF)

Forister M.L., A.C. McCall, N.J. Sanders, J.A. Fordyce, J.H. Thorne, J. O'Brien, D.P. Waetjen, & A.M. Shapiro. 2010. Compounded effects of climate change and habitat alteration shift patterns of butterfly diversity. Proceedings of the National Academy of Sciences. 107:2088-2092. (PDF) (Supporting Information)

Duncan, S.I., S.E. Reichert, B.M. Fitzpatrick, & J.A. Fordyce. 2010. Relatedness and genetic structure in a socially polymorphic population of the spider Anelosimus studiosus. Molecular Ecology 19:810-818. (PDF)

Fordyce, J.A., R.D. Dimarco, B.A. Blankenship, & C.C. Nice. 2010. Host plant trichomes and the advantage of being big: progeny size variation of the pipevine swallowtail. Ecological Entomology 35:104-107. (PDF)


Nice, C.C., Z. Gompert, M.L. Forister, & J.A. Fordyce. 2009. An unseen foe in arthropod conservation efforts: the case of Wolbachia infections in the Karner blue butterfly. Biological Conservation 142:3137-3146. (PDF)

Fitzpatrick, B.M., J.A. Fordyce, & S. Gavrilets. 2009. Pattern, process, and geographic modes of speciation. Journal of Evolutionary Biology 22:2342-2347. (PDF)

Lessard, J.P., J.A. Fordyce, N.J. Gotelli, & N.J. Sanders. 2009. Invasive ants alter the phylogenetic structure of ant communties. Ecology 90:2664-2669. (PDF)

Forister, M.L., C.C. Nice, J.A. Fordyce, & Z. Gompert. 2009. Host range evolution is not driven by the optimization of larval performance: the case of Lycaeides melissa (Lepidoptera: Lycaenidae) and the colonization of alfalfa. Oecologia 160:551-561. (PDF)


Gompert, Z., M.L. Forister, J.A. Fordyce, & C.C. Nice. 2008. Widespread mito-nuclear discordance with evidence for introgressive hybridization and selective sweeps in Lycaeides. Molecular Ecology 17:5231-5244. (PDF,FigS1,FigS2)

Fitzpatrick, B.M., J.A. Fordyce, & S. Gavrilets. 2008. What, if anything, is sympatric speciation? Journal of Evolutionary Biology 21:1452-1459. (PDF)

Fordyce, J.A., M.L. Forister, C.C. Nice, J.M. Burns, & A.M. Shapiro. 2008. Patterns of genetic variation between the checkered skippers Pyrgus communis and Pyrgus albescens (Lepidoptera: Hesperiidae). Annals of the Entomological Society of America 101:794-800. (PDF)

Gompert, Z., J.A. Fordyce, M.L. Forister, & C.C. Nice. 2008. Recent colonization and radiation of North American Lycaeides (Plebejus) inferred from mtDNA. Molecular Phylogenetics and Evolution 48:481-490. (PDF)

Fordyce, J.A. & C.C. Nice. 2008. Antagonistic, stage-specific selection on defensive chemical sequestration in a toxic butterfly. Evolution 62:1610-1617. (PDF)

Lucas, L.K., J.A. Fordyce, & C.C. Nice. 2008. Patterns of genitalic morphology around suture zones in north american Lycaeides (Lepidoptera: Lycaenidae): Implications for taxonomy and historical biogeography. Annals of the Entomological Society of America 101:172-180. (PDF)

Crutsinger, G.M., M.D. Collins, J.A. Fordyce, & N.J. Sanders. 2008. Temporal dynamics in non-additive responses of arthropods to host-plant genotypic diversity. Oikos 117:255-264. (PDF)

Forister, M.L., C.C. Nice, J.A. Fordyce, Z. Gompert, & A.M. Shapiro. 2007. Considering evolutionary processes in the use of single-locus genetic data for conservation, with examples from the Lepidoptera. Journal of Insect Conservation 12:37-51. (PDF)


Shapiro, A.M., M.L. Forister, & J.A. Fordyce. 2007. Extreme high-altitude Asian and Andean Pierid butterflies are not each others’ closest relatives. Arctic, Antarctic, and Alpine Research 29:137-142. (PDF)


Gompert, Z., J.A. Fordyce, M.L. Forister, A.M. Shapiro, & C.C. Nice. 2006. Homoploid hybrid speciation in an extreme habitat. Science 314:1923-1925. (PDF, SOM)

Forister, M.L., J.A. Fordyce, C.C. Nice, Z. Gompert, & A.M. Shapiro. 2006. Egg morphology varies among populations and habitats along a suture zone in the Lycaeides idas-melissa species complex (Lepidoptera: Lycaenidae). Annals of the Entomological Society of America 99:933-937. (PDF)

Fordyce, J.A., C.C. Nice, & A.M. Shapiro. 2006. A novel trade-off of insect diapause affecting a sequestered chemical defense. Oecologia 149:101-106. (PDF)

Crutsinger, G.M., M.D. Collins, J.A. Fordyce, Z. Gompert, C.C. Nice, & N.J. Sanders. 2006. Plant genotypic diversity predicts community structure and governs an ecosystem process. Science 313:966-968. (PDF, SOM)

Fordyce, J.A. 2006. The evolutionary consequences of ecological interactions mediated through phenotypic plasticity. The Journal of Experimental Biology 209:2377-2383. (PDF).

Gompert, Z., C.C. Nice, J.A. Fordyce, M.L. Forister, & A.M. Shapiro. 2006. Identifying units for conservation using molecular taxonomy: the cautionary tale of the Karner Blue butterfly. Molecular Ecology 15:1759-1768. (PDF). (press)

Fordyce, J.A. 2006. Variations – However slight and from whatever cause. (Book review – Hallgrimsson & Hall (eds.) Variation: a central concept in biology). Ecology 87:797-798. (PDF).

Fordyce, J.A. 2006. Interactions between clutches affect a benefit of group feeding for pipevine swallowtail larvae. Ecological Entomology 31:75-83. (PDF).

Nice, C.C. & J.A. Fordyce. 2006. How caterpillars avoid overheating: behavioral and phenotypic plasticity of pipevine swallowtail larvae. Oecologia 146:541-548. (PDF)


Fordyce, J.A., Z.H. Marion, A.M. Shapiro. 2005. Phenological variation in chemical defense of the pipevine swallowtail. Journal of Chemical Ecology 31:3835-2846. (PDF)

Fordyce, J.A. 2005. Clutch Size Plasticity in the Lepidoptera. Pp. 125 - 144. In Insects and Phenotypic Plasticity (Eds. T.N. Ananthakrishnan & D.W. Whitman) Science Publishers, Inc. Enfield, NH.(PDF).


Forister, M.L., J.A. Fordyce, & A.M. Shapiro. 2004. Geological barriers and restricted gene flow in the holarctic skipper Hesperia comma (Hesperiidae). Molecular Ecology 13:3489-3499. (PDF).

Fordyce, J.A. & C.C. Nice. 2004. Geographic variation in clutch size and a realized benefit of aggregative feeding. Evolution 58:447-450. (PDF)


Fitzpatrick, B.M., M.F. Benard, J.A. Fordyce. 2003. Morphology and escape performance of tiger salamander larvae (Ambystoma tigrinum mavortium). Journal of Experimental Zoology 297A:147-159 (PDF)

Fordyce, J.A. & C.C. Nice. 2003. Contemporary patterns in a historical context: Phylogeographic history of the pipevine swallowtail, Battus philenor (Papilionidae). Evolution 57:1089-1099. (PDF)

Fordyce, J.A. 2003. Aggregative feeding of pipevine swallowtail enhances hostplant suitability. Oecologia 135:250-257. (PDF)

Benard, M.F. & J.A. Fordyce. 2003. Are induced defenses costly? Consequences of predator-induced defenses in western toads, Bufo boreas. Ecology 84:68-78. (PDF)

Fordyce, J.A. & A.M. Shapiro. 2003. Another perspective on the slow growth / high mortality hypothesis: chilling effects on swallowtail larvae. Ecology 84:263-268. (PDF)

Bolnick, D.I., R. Svanbäck, J.A. Fordyce, L.H. Yang, J.M. Davis, C.D. Hulsey, & M.L. Forister. 2003. The ecology of individuals: incidence and implications of individual specialization. American Naturalist 161:1-28. (PDF)

Fordyce, J.A. & C.C. Nice. 2003. Variation in butterfly egg adhesion: adaptation to hostplant senescence characteristics? Ecology Letters 6:23-27. (PDF)


Nice, C.C., J.A. Fordyce, A.M. Shapiro, & R. ffrench-Constant. 2002. Lack of evidence for reproductive isolation among ecologically specialized lycaenid butterflies. Ecological Entomology 27:702-712. (PDF)

Bolnick, D.I., L.H. Yang, J.A. Fordyce, J.M. Davis, & R. Svanbäck. 2002. Measuring individual-level resource specialization. Ecology 83:2936-2941. (PDF)

Fordyce, J.A., C.C. Nice, M.L. Forister, & A.M. Shapiro. 2002. The significance of wing pattern detail: mate discrimination by two lycaenid butterflies. Journal of Evolutionary Biology 15:871-879. (PDF) (press)


Fordyce, J.A. & A.A. Agrawal. 2001. The role of plant trichomes and caterpillar group size on growth and defense of the pipevine swallowtail, Battus philenor. Journal of Animal Ecology 70:997-1005. (PDF)

Fordyce, J.A. 2001. Lethal plant defence paradox remains: Inducible host-plant aristolochic acids and the growth and defence of the pipevine swallowtail. Entomologia Experimentalis et Applicata. 100:339-346. (PDF)


Fordyce, J.A. & S.B. Malcolm. 2000. Pith feeding by the cryptic, specialist weevil, Rhyssomatus lineaticollis, does not spatially avoid cardenolide defenses of the common milkweed, Asclepias syriaca. Journal of Chemical Ecology 26:2857-2874. (PDF)

Fordyce, J.A. 2000. A model without a mimic: Aristolochic acids from the California pipevine swallowtail, Battus philenor hirsuta, and its host plant, Aristolochia californica. Journal of Chemical Ecology 26:2567-2578. (PDF)

Agrawal, A.A. & J.A. Fordyce. 2000. Induced indirect-defense in a lycaenid-ant association: The regulation of a resource in a mutualism. Proceedings of the Royal Society of London, Series B 267: 1857-1861. (PDF) (press)

Fordyce, J.A., E.B. Ehrle, & P.W. Thompson. 1996. The Big Trees of Michigan 14. Gleditsia triacanthos Willd. The Michigan Botanist. 32:35-39.

Fordyce, J.A., E.B. Ehrle, & P.W. Thompson. 1996.The Big Trees of Michigan 15. Populus deltoides Willd. The Michigan Botanist. 32:40-43.

Fordyce, J.A., E.B. Ehrle, & P.W. Thompson. 1994. The Big Trees of Michigan 3. Quercus bicolor Willd. The Michigan Botanist. 31:61-67.


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